Finding the Fourth Proportional to 346,564.92, 519,122.90 and 278,730.26
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Solution
The fourth proportional to 346,564.92, 519,122.90 and 278,730.26 is: 417,512.70
Step by Step Solution
- Step 1: Write the proportion equation
346,564.92 : 519,122.90 = 278,730.26 : x - Step 2: Convert to fraction form
346,564.92/519,122.90 = 278,730.26/x - Step 3: Cross multiply
346,564.92x = 519,122.90 × 278,730.26 - Step 4: Simplify right side
346,564.92x = 144,695,256,899.69 - Step 5: Solve for x
x = 144,695,256,899.69/346,564.92 - Step 6: Final answer
x = 417,512.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.